<html>

<head>
<meta name=标题 content="">
<meta name=关键词 content="">
<meta http-equiv=Content-Type content="text/html; charset=utf-8">
<meta name=Generator content="Microsoft Word 15 (filtered)">
<style>
<!--
 /* Font Definitions */
@font-face
	{font-family:"Courier New";
	panose-1:2 7 3 9 2 2 5 2 4 4;}
@font-face
	{font-family:Times;
	panose-1:0 0 5 0 0 0 0 2 0 0;}
@font-face
	{font-family:Wingdings;
	panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
	{font-family:"Cambria Math";
	panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
	{font-family:DengXian;
	panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
	{font-family:"\@DengXian";}
@font-face
	{font-family:"Microsoft YaHei";
	panose-1:2 11 5 3 2 2 4 2 2 4;}
@font-face
	{font-family:"\@Microsoft YaHei";}
@font-face
	{font-family:Menlo;
	panose-1:2 11 6 9 3 8 4 2 2 4;}
 /* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
	{margin:0cm;
	margin-bottom:.0001pt;
	text-align:justify;
	text-justify:inter-ideograph;
	font-size:12.0pt;
	font-family:DengXian;}
code
	{font-family:Courier;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
	{margin:0cm;
	margin-bottom:.0001pt;
	text-align:justify;
	text-justify:inter-ideograph;
	text-indent:21.0pt;
	font-size:12.0pt;
	font-family:DengXian;}
p.a, li.a, div.a
	{margin:0cm;
	margin-bottom:.0001pt;
	text-align:justify;
	text-justify:inter-ideograph;
	line-height:200%;
	font-size:12.0pt;
	font-family:"Microsoft YaHei";}
.MsoChpDefault
	{font-family:DengXian;}
 /* Page Definitions */
@page WordSection1
	{size:595.0pt 842.0pt;
	margin:72.0pt 90.0pt 72.0pt 90.0pt;
	layout-grid:15.6pt;}
div.WordSection1
	{page:WordSection1;}
 /* List Definitions */
ol
	{margin-bottom:0cm;}
ul
	{margin-bottom:0cm;}
-->
</style>

</head>

<body lang=ZH-CN style='text-justify-trim:punctuation'>

<div class=WordSection1 style='layout-grid:15.6pt'>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-size:14.0pt;line-height:200%;font-family:"Microsoft YaHei"'>bzip2</span></b></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>使用<span
lang=EN-US>Burrows-Wheeler</span>块排序文本压缩算法，将文件进行压缩，压缩比率比一般算法高一些。<span
lang=EN-US>bzip2</span>要求命令行标志附带一个文件名列表。每个文件都被自己的压缩版本替换，名称为<span lang=EN-US>“original_name.bz2”</span>。每个压缩文件与相应的原始文件具有相同的修改日期、权限和所有权<span
lang=EN-US>(</span>如果可能的话<span lang=EN-US>)</span>，因此可以在解压缩时正确地还原这些属性。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>默认情况下，<span
lang=EN-US>bzip2</span>和<span lang=EN-US>bunzip2</span>不会覆盖现有文件。如果希望发生这种情况，请指定“<span
lang=EN-US>-f</span>”标志。如果没有指定文件名，<span lang=EN-US>bzip2</span>将从标准输入压缩到标准输出。在这种情况下，<span
lang=EN-US>bzip2</span>拒绝将压缩输出写入终端，因为这将是完全不可理解的，因此毫无意义。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span lang=EN-US
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>bunzip2(</span><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>或<span
lang=EN-US>bzip2 -d)</span>解压缩所有指定的文件。未由<span lang=EN-US>bzip2</span>创建的文件将被检测和忽略，并发出警告。<span
lang=EN-US>bzip2</span>试图从压缩文件中猜测解压缩文件的文件名，如下所示：</span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=819 valign=top style='width:818.9pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>filename.bz2   
  becomes   filename</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>filename.bz    
  becomes   filename</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>filename.tbz2  
  becomes   filename.tar</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>filename.tbz   
  becomes   filename.tar</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>anyothername   
  becomes   anyothername.out</span></code></p>
  </td>
 </tr>
</table>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
line-height:200%;text-autospace:none'><span style='font-family:"Microsoft YaHei";
color:black;vertical-align:sub'>如果文件没有以<span lang=EN-US>.bz2</span>、<span
lang=EN-US>.bz</span>、<span lang=EN-US>.tbz2</span>或<span lang=EN-US>.tbz</span>中的某个结尾，<span
lang=EN-US>bzip2</span>抱怨它无法猜测原始文件的名称，并使用原始名称并附加<span lang=EN-US>.out</span>。与压缩一样，不提供文件名会导致从标准输入到标准输出的解压缩。<span
lang=EN-US>bunzip2</span>将正确解压缩一个文件，该文件是两个或多个压缩文件的级联。其结果是连接相应的未压缩文件。还支持连接压缩文件的完整性测试<span
lang=EN-US>(-t)</span>。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>还可以通过赋予“<span
lang=EN-US>-c</span>”标志将文件压缩或解压缩到标准输出。可以像这样压缩和解压缩多个文件。结果输出按顺序输入到<span
lang=EN-US>stdout</span>。以这种方式压缩多个文件会生成包含多个压缩文件表示的流。这样的流只能通过<span lang=EN-US>bzip2</span>版本<span
lang=EN-US>0.9.0</span>或更高版本正确地解压缩。在解压缩流中的第一个文件后，<span lang=EN-US>bzip2</span>的早期版本将停止。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span lang=EN-US
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>bzcat(</span><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>或<span
lang=EN-US>bzip2 -dc)</span>将所有指定的文件解压到标准输出。<span lang=EN-US>bzip2</span>将按照这个顺序从环境变量<span
lang=EN-US>BZIP2</span>和<span lang=EN-US>BZIP</span>读取参数，并在从命令行读取任何参数之前对它们进行处理。这为提供默认参数提供了一种方便的方法。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>压缩总是被执行，即使压缩文件比原始文件稍大。小于<span
lang=EN-US>100</span>个字节的文件往往会变大，因为压缩机制在<span lang=EN-US>50</span>个字节的范围内有一个恒定的开销。随机数据<span
lang=EN-US>(</span>包括大多数文件压缩器的输出<span lang=EN-US>)</span>编码大约为每字节<span
lang=EN-US>8.05</span>位，扩展幅度约为<span lang=EN-US>0.5%</span>。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span lang=EN-US
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>bzip2</span><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>使用<span
lang=EN-US>32</span>位<span lang=EN-US>crc</span>来确保解压缩版本的文件与原始文件相同。这可以防止压缩数据的损坏，防止<span
lang=EN-US>bzip2</span>中未被检测到的<span lang=EN-US>bug(</span>希望非常不可能<span
lang=EN-US>)</span>。数据损坏的可能性是微乎其微的，大约每处理<span lang=EN-US>40</span>亿个文件就有一个机会。但是，请注意，检查是在解压时发生的，因此它只能告诉您某些事情是错误的。它无法帮助您恢复原始未压缩数据。您可以使用<span
lang=EN-US>bzip2recover</span>尝试从损坏的文件中恢复数据。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>返回值：<span
lang=EN-US>0</span>表示正常退出，<span lang=EN-US>1</span>表示环境问题<span lang=EN-US>(</span>文件未找到，无效标志，<span
lang=EN-US>I/O</span>错误，<span lang=EN-US>&amp;c)</span>，<span lang=EN-US>2</span>表示损坏的压缩文件，<span
lang=EN-US>3</span>表示内部一致性错误<span lang=EN-US>(</span>例如，<span lang=EN-US>bug)</span>，导致<span
lang=EN-US>bzip2</span>恐慌。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>此命令的适用范围：<span
lang=EN-US>RedHat</span>、<span lang=EN-US>RHEL</span>、<span lang=EN-US>Ubuntu</span>、<span
lang=EN-US>CentOS</span>、<span lang=EN-US>SUSE</span>、<span lang=EN-US>openSUSE</span>、<span
lang=EN-US>Fedora</span>。</span></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span lang=EN-US
style='font-family:"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>1</span></b><b><span style='font-family:
"Microsoft YaHei"'>、语法</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><b><span
lang=EN-US style='font-family:"Microsoft YaHei"'>bzip2  [ -cdfkqstvzVL123456789
]  [ filenames ...  ]</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><b><span
lang=EN-US style='font-family:"Microsoft YaHei"'> </span></b></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>2</span></b><b><span style='font-family:
"Microsoft YaHei"'>、选项列表</span></b></p>

<table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>选项</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border:solid windowtext 1.0pt;
  border-left:none;background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>说明</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-h | --help</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>帮助信息</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-V | --version</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>显示命令版本信息</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-c | --stdout</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>将解压或者解压文件写到标准输出</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-d | --decompress </span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>解压</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>--z | -compress</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>对<span
  lang=EN-US>-d</span>的补充：强制压缩，而不管调用名称如何</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-t | --test</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>检查指定文件的完整性，但不要解压缩它们。这确实执行了一次尝试解压缩，并丢弃了结果。</span></p>
  </td>
 </tr>
 <tr style='height:21.15pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:21.15pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-f | --force</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:21.15pt'>
  <p class=MsoNormal><span style='font-family:"Microsoft YaHei"'>强制执行</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-k | --keep</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>解压之后，保留源文件</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-s | --small</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal><span style='font-family:"Microsoft YaHei"'>减少内存使用，用于压缩、解压缩和测试。使用修改的算法对文件进行解压缩和测试，该算法每个块字节只需要<span
  lang=EN-US>2.5</span>字节。这意味着任何文件都可以在<span lang=EN-US>2300 k</span>内存中解压缩，尽管速度是正常速度的一半。</span></p>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>在压缩期间，<span
  lang=EN-US>-s</span>选择<span lang=EN-US>200 k</span>的块大小，这将内存的使用限制在大约相同的数字上，而代价是压缩比。简而言之，如果你的机器内存不足<span
  lang=EN-US>(8</span>兆字节或更少<span lang=EN-US>)</span>，那就用<span lang=EN-US>-s</span>来做所有的事情。请参阅下面的内存管理。</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-L | --license | -V | --version</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>列出<span
  lang=EN-US>gzip</span>的许可证</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-q | --quite</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>跳过所有的警告信息</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-v | --verbose</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>显示详细执行过程</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-1 ~-9</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>指定压缩比率，将块大小设为<span
  lang=EN-US>100k</span>，<span lang=EN-US>200k</span>，<span lang=EN-US>900K</span>。解压时无效，“<span
  lang=EN-US>-1</span>”等价于“<span lang=EN-US>--fast</span>”，“<span lang=EN-US>-9</span>”等价于“<span
  lang=EN-US>--best</span>“。</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-v | --verbose</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>显示执行过程</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>--</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>将所有后续参数视为文件名，即使它们以<span
  lang=EN-US>‘-’</span>开头。这样您就可以处理以<span lang=EN-US>‘-’</span>开头的文件，例如：“<b><span
  lang=EN-US>bzip2  --  -myfilename</span></b>”。</span></p>
  </td>
 </tr>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>--repetitive-fast</span></p>
  <p class=MsoNormal style='line-height:200%'><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>--repetitive-best</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>这些标志在<span
  lang=EN-US>0.9.5</span>及以上版本中是多余的。它们对早期版本中排序算法的行为提供了一些粗略的控制，这有时是有用的。<span
  lang=EN-US>0.9.5</span>及以上版本的改进算法使这些标志不相关</span></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>&nbsp;</span></b></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>3</span></b><b><span style='font-family:
"Microsoft YaHei"'>、内存管理</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>bzip2</span><span
style='font-family:"Microsoft YaHei"'>以块压缩大型文件。块大小既影响压缩比，也影响压缩和解压缩所需的内存量。标志<span
lang=EN-US>-1</span>到<span lang=EN-US>-9</span>指定块大小分别为<span lang=EN-US>100000</span>字节至<span
lang=EN-US>900000</span>字节<span lang=EN-US>(</span>默认值<span lang=EN-US>)</span>。解压缩时，从压缩文件的头读取用于压缩的块大小，然后为其分配足够的内存来解压缩文件。由于块大小存储在压缩文件中，因此在解压缩过程中，标志<span
lang=EN-US>-1</span>至<span lang=EN-US>-9</span>与此无关，因而被忽略。压缩和解压缩需求<span
lang=EN-US>(</span>以字节为单位<span lang=EN-US>)</span>可估计为</span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=819 valign=top style='width:818.9pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>Compression:  
  400k + ( 8 x block size )</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>Decompression:
  100k + ( 4 x block size ), or 100k + ( 2.5 x block size )</span></code></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
style='font-family:"Microsoft YaHei"'>更大的区块大小给出迅速递减的边际回报。大部分压缩来自块大小的前两三百<span
lang=EN-US>k</span>，在小型机器上使用<span lang=EN-US>bzip 2</span>时要记住这一点。同样重要的是要认识到，解压缩内存需求是通过选择块大小在压缩时间设置的。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
style='font-family:"Microsoft YaHei"'>对于默认的<span lang=EN-US>900k</span>块大小压缩的文件，<span
lang=EN-US>bunzip2</span>需要大约<span lang=EN-US>3700</span>千字节来解压缩。为了支持对<span
lang=EN-US>4MB</span>机器上的任何文件进行解压缩，<span lang=EN-US>bunzip2</span>可以选择使用大约一半的内存<span
lang=EN-US>(</span>约<span lang=EN-US>2300</span>千字节<span lang=EN-US>)</span>来解压缩。解压缩速度也减半，因此您应该只在必要时使用此选项。相关的标志是<span
lang=EN-US>-s</span>。通常，尝试并使用允许的最大块大小的内存约束，因为这样可以最大限度地实现压缩。压缩和解压缩速度几乎不受块大小的影响。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
style='font-family:"Microsoft YaHei"'>另一个要点适用于适合单个块的文件，意味着大多数使用大块大小的文件。接触到的实际内存量与文件大小成正比，因为文件小于块。例如，使用标志<span
lang=EN-US>-9</span>压缩一个文件的长度为<span lang=EN-US>20000</span>字节，将导致压缩器分配大约<span
lang=EN-US>7600k</span>的内存，但只会触及<span lang=EN-US>400k+20000*8=56</span>万字节的内存。类似地，解压缩程序将分配<span
lang=EN-US>3700k</span>，但只会触及<span lang=EN-US>100k+20000*4=180 k</span>字节。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
style='font-family:"Microsoft YaHei"'>下面是一个表，它总结了不同块大小的最大内存使用量</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>Compress     Decompress       Decompress 
     Corpus</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>Flag             usage     
usage       -s usage     Size</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-1               1200k      
500k         350k      914704</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-2               2000k      
900k         600k      877703</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-3               2800k     
1300k         850k      860338</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-4               3600k     
1700k        1100k      846899</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-5               4400k     
2100k        1350k      845160</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-6               5200k     
2500k        1600k      838626</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-7               6100k     
2900k        1850k      834096</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-8               6800k     
3300k        2100k      828642</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>-9               7600k     
3700k        2350k      828642</span></p>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>4</span></b><b><span style='font-family:
"Microsoft YaHei"'>、从损坏的文件中恢复数据</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>bzip2</span><span
style='font-family:"Microsoft YaHei"'>以块的形式压缩文件，通常长达<span lang=EN-US>900</span>千字节。每个块都是独立处理的。如果媒体或传输错误导致<span
lang=EN-US>multi-block .bz2</span>文件损坏，则可以从文件中未损坏的块恢复数据。每个块的压缩表示由一个<span
lang=EN-US>48</span>位模式分隔，这使得以合理的确定性找到块边界成为可能。每个块还带有自己的<span lang=EN-US>32</span>位<span
lang=EN-US>CRC</span>，因此损坏的块可以与未损坏的块区分开来。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>bzip2Recovery</span><span
style='font-family:"Microsoft YaHei"'>是一个简单的程序，其目的是搜索“<span lang=EN-US>.bz2</span>”文件中的块，并将每个块写入自己的“<span
lang=EN-US>.bz2</span>”文件中。然后可以使用“<span lang=EN-US>bzip2  –t</span>”测试结果文件的完整性，并解压缩未损坏的文件。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>bzip2Recovery</span><span
style='font-family:"Microsoft YaHei"'>接受一个参数，即受损文件的名称，并写入一些文件<span lang=EN-US>“rec00001file.bz2”</span>、<span
lang=EN-US>“rec00002file.bz2”</span>等，其中包含提取的块。输出文件名的设计使得在随后的处理中使用通配符。例如，<span
lang=EN-US>“bzip2  -dc  rec*file.bz2  &gt;  recovered_data”</span>按正确的顺序处理文件。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
style='font-family:"Microsoft YaHei"'>处理大型<span lang=EN-US>bz2</span>文件时，<span
lang=EN-US>bzip2</span>恢复应该是最有用的，因为这些文件将包含许多块。在损坏的单块文件上使用它显然是徒劳无功的，因为损坏的块无法恢复。如果希望通过媒体或传输错误最大限度地减少任何潜在的数据丢失，可以考虑使用较小的块大小进行压缩。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>5</span></b><b><span style='font-family:
"Microsoft YaHei"'>、执行情况说明</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
style='font-family:"Microsoft YaHei"'>压缩的排序阶段收集文件中类似的字符串。正因为如此，包含大量重复符号的文件，如<span
lang=EN-US>“aabaabaabaab.”(</span>重复几百次<span lang=EN-US>)</span>可能比正常压缩速度慢。在这方面，<span
lang=EN-US>0.9.5</span>及以上的版本比以前的版本要好得多。最坏压缩时间与平均压缩时间之比在<span lang=EN-US>10</span>：<span
lang=EN-US>1</span>左右<span lang=EN-US>.</span>对于以前的版本，这个数字更像是<span lang=EN-US>100</span>：<span
lang=EN-US>1</span>。如果需要，可以使用<span lang=EN-US>-vvvv</span>选项来非常详细地监视进度。减压速度不受这些现象的影响。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>bzip 2</span><span
style='font-family:"Microsoft YaHei"'>通常分配几兆字节的内存进行操作，然后以相当随机的方式对其进行充电。这意味着压缩和解压缩的性能在很大程度上取决于您的机器能够为缓存丢失提供服务的速度。正因为如此，通过对代码进行小幅度的更改以降低漏出率，从而提供了不成比例的大幅度性能改进。我认为<span
lang=EN-US>bzip 2</span>在具有非常大缓存的机器上表现最好。</span></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>7</span></b><b><span style='font-family:
"Microsoft YaHei"'>、实例</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>1</span><span
style='font-family:"Microsoft YaHei"'>）压缩文件</span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=836 valign=top style='width:836.15pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>bzip2 1.c                   //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>压缩</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>1.c</span></b></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>，源文件会被删除</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>ls</b></span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>11.c  1.c.bz2 
  2.c  3.c  4.c  5.c  6.c~  bak</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>bzip2 -c 2.c &gt; res.bz2     //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>将</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>1.c</span></b></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>压缩到</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>res</span></b></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>，源文件不动</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]#<b> ls</b></span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>11.c  1.c.bz2 
  2.c  3.c  4.c  5.c  6.c~  bak  res.bz2</span></code></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>2</span><span
style='font-family:"Microsoft YaHei"'>）解压</span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=836 valign=top style='width:836.15pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>bzip2 -d res.bz2            //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>解压</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>ls</b></span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>11.c  1.c.bz2 
  2.c  3.c  4.c  5.c  6.c~  bak  res</span></code></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>3</span><span
style='font-family:"Microsoft YaHei"'>）将两个文件压缩到一个文件中</span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=836 valign=top style='width:836.15pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>cat 1.c 2.c                   //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>输出两个文件的内容</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>hello world, </span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>i am david. </span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>i love linux, </span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>love code.</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>123</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>23</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>212</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>bzip2 –c 1.c &gt; foo.gz        //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>将</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>1.c</span></b></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>压缩到</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>foo</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>bzip2 –c 2.c &gt;&gt; foo.gz       //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>将</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>2.c</span></b></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>压缩到</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>foo</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# b<b>gzip2 -d foo.gz              //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>解压</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>foo</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>[root@localhost
  weijie]# <b>cat foo                        //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>显示</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo'>foo</span></b></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian'>的内容</span></b></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>hello world, </span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>i am david. </span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>i love linux, </span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>love code.</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>123</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>23</span></code></p>
  <p class=MsoNormal style='line-height:200%'><code><span lang=EN-US
  style='font-size:10.0pt;line-height:200%;font-family:Menlo'>212</span></code></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal align=center style='text-align:center;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>Copyright@david 
zhytwj2018@163.com</span></p>

</div>

</body>

</html>
